What is “Ryzen2” ZEN+? After the very successful launch of the original “Ryzen” (Zen/Zeppelin – “Summit Ridge” on 14nm), AMD has been hard at work optimising and improving the design: “Ryzen2” (code-name “Pinnacle Ridge”) is thus a 12nm die shrink that also includes APU – with integrated “Vega RX” graphics” – … Read more… →

What is “Ryzen2” ZEN+? After the very successful launch of the original “Ryzen” (Zen/Zeppelin – “Summit Ridge” on 14nm), AMD has been hard at work optimising and improving the design: “Ryzen2” (code-name “Pinnacle Ridge”) is thus a 12nm die shrink that also includes APU – with integrated “Vega RX” graphics” – … Read more… →

Comments Off on Sandra Platinum (2017) SP4 – Updates for ‘Meltdown’ and ‘Spectre’

NB: SP4 has been refreshed to version 24.61 vs. the original 24.55 a day later. We are pleased to release SP4 (Service Pack 4 – version 24.61) update for Sandra Platinum (2017) with the following updates: Sandra Platinum (2017) Press Release Reporting of Operating System (Windows) speculation control settings for … Read more… →

Comments Off on AVX512 performance improvement for SKL-X in Sandra SP2

What is AVX512? AVX512 (Advanced Vector eXtensions) is the 512-bit SIMD instruction set that follows from previous 256-bit AVX2/FMA3/AVX instruction set. Originally introduced by Intel with its “Xeon Phi” GPGPU accelerators – albeit in a somewhat different form – it has finally made it to its CPU lines with Skylake-X … Read more… →

Comments Off on NUMA performance improvement for ThreadRipper in Sandra SP2

What is NUMA? Modern CPUs have had a built-in memory controller for many years now, starting with the K8/Opteron, in order to higher better bandwidth and lower latency. As a result in SMP systems each CPU has their own memory controller and its own system memory that it can access … Read more… →

What is “Threadripper”? “Threadripper” (code-name ZP aka “Zeppelin”) is simply a combination of inter-connected Ryzen dies (“nodes”) on a single socket (TR4) that in effect provide a SMP system-on-a-single-socket – without the expense of multiple sockets, cooling solutions, etc. It also allows additional memory channels (4 in total) to be … Read more… →

What is “Threadripper”? “Threadripper” (code-name ZP aka “Zeppelin”) is simply a combination of inter-connected Ryzen dies (“nodes”) on a single socket (TR4) that in effect provide a SMP system-on-a-single-socket – without the expense of multiple sockets, cooling solutions, etc. It also allows additional memory channels (4 in total) to be … Read more… →